Natural environment is the material base of the human beings depending on.
自然环境是人类赖以生存的物质基础。
As a kind of natural cellulose fiber, cotton product is deeply liked by people with its good wearing property, and extensively applied to medical base material with its fine affinity.
作为一种天然纤维素纤维，棉制品不仅以其优良的服用性能深受人们喜爱，而且以其与人体极好的亲和性，成为广泛应用的医用基材之一。
Natural or artificial abrasive powder or grain, on a base of textile material, of paper, of paperboard or of other materials, whether or not cut to shape or sewn or otherwise made up.
砂布、砂纸及以其他材料为底的类似品，不论是否裁切、缝合或用其他方法加工成形。
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